# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1326222024 18000
# Node ID d584f90d2c474e2bd026d4934a686ba78043f095
# Parent  b33589ef9213867cff6c8bf22a80e360c5752b89
configure: search for gfortran first instead of g77

* autogen.sh: Avoid g77 by editing generated configure script and
substituting gfortran for g77.

diff -r b33589ef9213 -r d584f90d2c47 .hgsubstate
--- a/.hgsubstate	Mon Jan 09 20:32:27 2012 -0500
+++ b/.hgsubstate	Tue Jan 10 14:00:24 2012 -0500
@@ -1,1 +1,1 @@
-3559997a03e82d650aaa708447362fe20a6eaf15 gnulib
+fca3cc12dcd2bb7a75a57be2c29a1de417ff3536 gnulib
diff -r b33589ef9213 -r d584f90d2c47 autogen.sh
--- a/autogen.sh	Mon Jan 09 20:32:27 2012 -0500
+++ b/autogen.sh	Tue Jan 10 14:00:24 2012 -0500
@@ -37,3 +37,15 @@
 echo "bootstrapping..."
 
 build-aux/bootstrap "$@"
+
+## G77 is obsolete, but it is still the first option in the autoconf Fortran
+## macros.  We should avoid it, because mixing old versions of g77 with modern
+## gcc and g++ causes trouble.  The following will make it harder (but not
+## impossible) for users to make this mistake.
+##
+## FIXME -- we should really work to fix autoconf so that it prefers gfortran
+## over g77 even when searching for a Fortran 77 compiler.
+
+echo "replacing all occurrences of g77 with gfortran in configure script..."
+
+sed 's/g77/gfortran/g' configure > configure.t && mv configure.t configure